solve variables

  Access full lesson containing this video at: www.yourteacher.com Students learn to solve equations with the variable on both sides by putting the variable terms together on one side of the equation, and the numbers together on the other side of the equation. Students learn that it is sometimes more efficient to put the variable terms together on the left side of the equation, and it is sometimes more efficient to put the variable terms together on the right side of the equation....

  This lecture discusses and solves the partial differential equation (PDE) known as 'the heat equation" together with some boundary and initial conditions. The method used involves separation of variables combined with Fourier series. The discussion is in a step-by-step process. Such an example is seen in 2nd-year mathematics courses at university

Question : How do i solve for variables? I found the equals key, i cant find the solve() thing. Nor can i find a comma?

Answer : The comma is right above the 9. To solve go to home, f2, 1 then type in the equation then comma then the variable you want to solve for then ) then enter example: 14x+89=72 solve for x solve(14x+89=72,x) (You can also just type solve() manually)..   More from Yahoo Answers

Question : something like this 5x= 9y+2 that is just an example, could anyone please give me a step to step guide on how to solve two variable questios?

Answer : This is the equation to a straight line; you can draw the line by giving a value to x and calculate the value of y. Do this twice to get two points, draw the line passing through the points and every point on the line is a solution to your equation. You will find for instance that the point (4, 2) is on the line and it satisfies your equation. There is an infinate number of points on the line...   More from Yahoo Answers

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